LP55231 datasheet(3/53 Pages) TI

3 / 53 page

LP55231

www.ti.com

SNOSCR5 – MARCH 2013

PIN DESCRIPTIONS

Name

Type(1)

Description

C2+

Flying capacitor 2 positive terminal

C1+

Flying capacitor 1 positive terminal

VDD

Input power supply

GND

Ground

Enable

CLK

32 kHz clock input. Connect to ground if not used

INT

OD/O

Interrupt for microcontroller unit. Leave unconnected if not used

SDA

I/OD

Serial interface data

SCL

Serial interface clock

TRIG

I/OD

Trigger. Connect to ground if not used

Current source output 9.

Note: powered from VDD

Current source output 8.

Note: powered from VDD

Current source output 7.

Note: powered from VDD

Current source output 6

Current source output 5

Current source output 4

Current source output 3

Current source output 2

Current source output 1

ASEL0

Serial interface address select input

ASEL1

Serial interface address select input

VOUT

Charge pump output

−

Flying capacitor 2 negative terminal

−

Flying capacitor 1 negative terminal

DAP

Connect the die attach pad to GND

(1)

A: Analog Pin

G: Ground Pin

P: Power Pin

I: Input Pin

I/O Input/Output Pin

O: Output Pin

OD: Open Drain Pin

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